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General Information

Event name: US-16-013
Country: UNITED STATES
Nature of the harmful event:
 Seafood toxins
Event directly affected:
 Shellfish
Toxicity detected: Yes (Approximate range: Maximum levels of PSP toxin: 309-763µg. Maximum level of DSP toxin: 31µg.)
Associated syndrome: DSP , PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): PSP toxin: Blue mussels, scallops. DSP toxin: Blue mussels.
Report the outcome of a monitoring programme: Yes (Marine Biotoxin Program at the Washington State Department of Health, Office of Environmental and Health and Safety.)
Event occurred before in this location: Yes (PSP closures have occurred throughout North Puget Sound previously. The first DSP closure in North Puget Sound was in 2012.)
Individuals to contact: BORCHERT, Jerry

Location & Date

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Location: Latitude: , Longitude:
General location information: Washington State, North Puget Sound, Pacific Northwest
HAB Area code(s): US-24
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2016-04-05, End: 2016-10-26
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: PSP: 4/5/16-10/26/16 DSP:5/4/16-7/11/16

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella ( cells/L)
Dinophysis sp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Pink Scallops Saxitoxins 309µg Bioassay-Mouse
Blue Mussels Saxitoxins 763µg Bioassay-Mouse
blue mussels Okadaic Acid 31µg LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 10:48 on 27 Feb 2017